|Jeff McIntosh/Canadian Press|
The Stampeders, now 14-1-1, are already assured first place in the West Division and the division final at McMahon Stadium on Nov. 20.
The Alouettes are not yet eliminated from playoff contention in the East Division at 4-11.
Calgary quarterback Bo Levi Mitchell threw a touchdown catch to Anthony Parker and a two-point convert pass to Jerome Messam.
Backup quarterback Andrew Buckley scored on a one-yard rush. Rene Paredes kicked a field goal and Rob Maver added a pair of punt singles in the win.
Brandon Rutley scored Montreal's lone touchdown with 16 seconds left on a two-yard run.